Home / 26,321.19-36,320.09-14,990.69

Finding the Fourth Proportional to 26,321.19, 36,320.09 and 14,990.69

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Solution

The fourth proportional to 26,321.19, 36,320.09 and 14,990.69 is: 20,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321.19 : 36,320.09 = 14,990.69 : x
  2. Step 2: Convert to fraction form
    26,321.19/36,320.09 = 14,990.69/x
  3. Step 3: Cross multiply
    26,321.19x = 36,320.09 × 14,990.69
  4. Step 4: Simplify right side
    26,321.19x = 544,462,953.41
  5. Step 5: Solve for x
    x = 544,462,953.41/26,321.19
  6. Step 6: Final answer
    x = 20,685.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.